參考說明部署nginx cluster pm2 ker

n ////constKoa=創(chuàng)建一個Koa對象表示webapp本身constapp=new對于任何請求，appapp.use(async(ctx,next)=>Math.random()>0.9?aaa():awaitctx.response.type='text/html';ctx.response.body='<h1> o,koa2!</h1>';if{console.log('appstartedatport}elsemodule.exports=}//varhttp=require('http');setInterval(async()=>{try}catch(error)}},//varcluster=varosrequire('os'獲取CPUvarnumCPUs=os.cpus().length;varprocess=console.log('numCPUs:',numCPUs)varworkers={};if(cluster.isMaster)cluster.on('death',function(worker)當一個工作進程結(jié)束時，重啟工作進程deleteworkers[worker.pid];worker=cluster.fork();workers[worker.pid]=初始開啟與CPUfor(vari=0;i<numCPUs;{varworker=cluster.fork();workers[worker.pid]=worker;}}else工作進程分支，啟動服務(wù)varapp=require('./app');app.use(async(ctx,next)=>{console.log('worker'+cluster.worker.id+',PID:'+process.pid)}process.on('SIGTERM',function()forfor(varpidin{}pose.ymlroot@3:/root/source/#scp-rmini-01 git(實際工作中)deploy(debug)內(nèi)建負載均衡（使用Nodecluster集群模塊、子進程，可以參考的《深入淺出node.js》一書線程守護，keepLinux(stable&MacOSx(stable&Windows(stable).多平臺支持 提供HTTPAPInpmnpminstall-gpm2startapp.js--watch-i// ipm2stoppm2pm2startapp.js-imax根據(jù)機?CPU-script:app.jsinstances:2watch:true NODE_ENV:pm2linkpm2link8hxvp4bfrftvwxnuis7ndy58fvuf7lTARO-pm2pm2yumyuminstallaptaptinstall##/etc/nginx/sites-serverlistenlocation/{;root/root/source/taro-indexindex.html}}驗證Nginxnginx-重新啟動servicenginxnginx-s##/etc/nginx/sites-#serverlistenlocation/{;root/root/source/taro-node/dist;indexindex.htmlindex.htm;}location~\.(gif|jpg|png)$root/root/source/taro-}location/api;$}}nginx-#nginx:theconfigurationfile/etc/nginx/nginx.confsyntaxisok#nginx:configurationfile/etc/nginx/nginx.conftestisservicenginxnginx-Docker容一般為一般為三個概Docker1.拉取鏡##拉 dockerpulldockerimagesmkdirecho odocker!!'>># dockerrun-p80:80-v$PWD/www:/usr/share/nginx/html-ddockerdockerdockerps-a偽終端ff6容?的t選項讓Docker分配一個偽終端（pseudo-tty）并綁定到容?i則讓容?dockerexec-itff6dockerstopdockerrmFROMFROMRUNecho o,Kaikeba!</h1>'>dockerbuild-tmynginxddockerrun-p80:80-dnpminit-npminit-ynpmikoa-s//{"name":"version":"main":"app.js","scripts":{"test":"echo\"Error:notestspecified\"&&exit ":"author":"license":"ISC","description":"myappp","dependencies":{"koa":}}}////constKoa=require('koa')constapp=newKoa()app.use(ctx=>{Math.random()>0.8?abc():''ctx.body=' oDocker'app.listen(3000,()=>{console.log('appstartedatFROMnode:10-alpine ADD. WORKDIR/appRUNnpminstallEXPOSE3000CMD["node",dockerbuild-tmynodedockerrun-p3000:3000-d##.dockerignore////process.yml-script:app.jsinstances:2watch:true NODE_ENV:##FROMkeymetrics/pm2:latest-alpineWORKDIR/usr/src/appADD.RUNnpmconfigsetregistrynpmiEXPOSECMD["pm2-runtime","start",&&dockerbuild-tmypm2dockerrun-p3000:3000-dcontainer_name:app-pm2build:# -.:/usr/src/app- -recreate強制重建容buildposeup-d- -recreate--version:'3.1'image:nginx:kaikeba-pose#poseup-部署Mongo+version:'3.1'image:mongorestart:always-image:mongo-expressrestart:always-////constmongoose=1.mongoose.connect("mongodb://mongo:27017/test",{useNewUrlParser:true});constconn=mongoose.connection;conn.on("error"console.error("連接數(shù)據(jù)庫失敗//constmongoose=require('mongoose');mongoose.connect('mongodb://mongo:27017/test',{useNewUrlParser:true});constCat=mongoose.model('Cat',{name:Stringconstkitty=newCat({name:'Zildjian'});kitty.save().then(()=>console.log('meow'));app.use(asyncctx=>ctx.body=awaitWebHook實現(xiàn)CIvarvarhttp=varcreateHandler=varhandler=createHandler({path:'/webhooks',secret:'myHashSecret'//上面的secret保持 functionrun_cmd(cmd,args,callback)varspawn=require('child_process').spawn;varchild=spawn(cmd,args);varresp=child.stdout.on('data',function(buffer){resp+=buffer.toString();child.stdout.on('end',function(){callback(resp)}http.createServer(function(req,{handler(req,res,function{res.statusCode=404res.end('nosuchlocation')handler.on('error',function{console.error('Error:',handler.on('*',function{console.log('Received*', run_cmd('sh',['./deploy-dev.sh'],function(text){handler.on('push',functi